Jackson served at West Virginia for four years and previously served as a Penn State defensive line graduate assistant from 2015 to 2016.
Seider has worked with the Nittany Lions for six years as their running backs coach.
Saquon Barkley has the potential to become the second Penn State alum to win Super Bowl MVP on Sunday.
Barkley makes history as he becomes the first Penn Stater to win the award.
Kessler was a depth chart quarterback at Penn State from 2014 to 2017.
Gattuso spent 11 years as the head coach of the University of Albany.